/* ===== CSS VARIABLES & RESET ===== */
:root {
    --bg: #ffffff;
    --text-main: #111111;
    --text-secondary: #666666;
    --text-tertiary: #999999;
    --border-light: #eaeaea;
    --surface-gray: #f8f9fa;
    --surface-dark: #0a0a0a;
    --accent-blue: #4285F4;
    --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --container-width: 1320px;
    --ease-smooth: cubic-bezier(0.25, 1, 0.5, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===== HEADER (injected by header.js) ===== */
header {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 80px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    z-index: 1000;
    display: flex; align-items: center;
}

.header-inner {
    width: 100%; max-width: var(--container-width);
    margin: 0 auto; padding: 0 40px;
    display: flex; justify-content: space-between; align-items: center;
}

.logo {
    display: flex; align-items: center; gap: 8px;
    text-decoration: none; color: var(--text-main);
    font-family: var(--font-display); font-size: 20px; font-weight: 600; letter-spacing: -0.5px;
}
.logo svg { width: 24px; height: 24px; color: var(--accent-blue); }

.nav-group { display: flex; gap: 36px; align-items: center; }
.nav-group a {
    text-decoration: none; color: var(--text-secondary);
    font-size: 15px; font-weight: 500; transition: color 0.2s;
    display: flex; align-items: center; gap: 4px;
    position: relative;
}
.nav-group a:hover { color: var(--text-main); }
.nav-group a.active { color: var(--text-main); font-weight: 600; }
.nav-group a.active::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0; right: 0;
    height: 2px;
    background: var(--accent-blue);
    border-radius: 1px;
}

/* Header right group (lang switcher + CTA) */
.header-right { display: flex; align-items: center; gap: 12px; }

/* Language switcher */
.lang-switcher { position: relative; }
.lang-btn {
    display: flex; align-items: center; gap: 5px;
    padding: 7px 11px; border-radius: 100px;
    border: 1px solid rgba(0,0,0,0.12);
    background: transparent; cursor: pointer;
    color: var(--text-secondary); font-size: 13px; font-weight: 500;
    transition: border-color 0.2s, color 0.2s;
    font-family: var(--font-sans);
}
.lang-btn:hover { border-color: rgba(0,0,0,0.22); color: var(--text-main); }
.lang-chevron { transition: transform 0.2s; flex-shrink: 0; }
.lang-switcher.is-open .lang-btn { border-color: rgba(0,0,0,0.18); color: var(--text-main); }
.lang-switcher.is-open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown {
    display: none;
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 136px;
    background: #fff; border: 1px solid rgba(0,0,0,0.08);
    border-radius: 12px; box-shadow: 0 8px 24px rgba(0,0,0,0.09);
    padding: 5px; z-index: 1100;
}
.lang-switcher.is-open .lang-dropdown { display: block; }
.lang-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 11px; border-radius: 8px;
    text-decoration: none; color: var(--text-secondary);
    font-size: 14px; font-weight: 500; white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}
.lang-option:hover { background: #f5f5f5; color: var(--text-main); }
.lang-option--current { color: var(--text-main); font-weight: 600; }
.lang-option--current::after { content: '✓'; font-size: 12px; color: var(--accent-blue); }

.btn-black {
    background: #111; color: #fff;
    padding: 10px 24px; border-radius: 100px;
    font-size: 14px; font-weight: 500; text-decoration: none;
    display: flex; align-items: center; gap: 8px;
    transition: transform 0.2s var(--ease-smooth), background 0.2s;
}
.btn-black:hover { transform: scale(1.03); background: #000; }

/* ===== FOOTER (injected by footer.js) ===== */
footer {
    border-top: 1px solid var(--border-light);
    padding: 80px 40px 40px;
}
.footer-inner {
    max-width: var(--container-width); margin: 0 auto;
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px;
}
.footer-col p { color: var(--text-secondary); font-size: 14px; max-width: 280px; margin-top: 16px; }
.footer-col h5 { font-size: 14px; font-weight: 600; color: #111; margin-bottom: 24px; }
.footer-col a { display: block; text-decoration: none; color: var(--text-secondary); font-size: 14px; margin-bottom: 14px; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-main); }
.footer-bottom {
    max-width: var(--container-width); margin: 60px auto 0;
    padding-top: 32px; border-top: 1px solid var(--border-light);
    display: flex; justify-content: space-between; font-size: 13px; color: var(--text-tertiary);
}

/* ===== BLOG HERO — EDITORIAL DARK ===== */
.blog-hero {
    background: var(--surface-dark);
    padding: 160px 40px 0;
    position: relative;
    overflow: hidden;
}

.blog-hero::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(66, 133, 244, 0.18) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 100%);
    pointer-events: none;
}

.blog-hero::after {
    content: '';
    position: absolute; top: -20%; right: -10%;
    width: 50%; height: 80%;
    background: radial-gradient(circle, rgba(66, 133, 244, 0.12) 0%, transparent 65%);
    pointer-events: none;
}

.blog-hero-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    position: relative; z-index: 1;
}

.blog-hero-eyebrow {
    font-family: ui-monospace, 'Cascadia Code', monospace;
    font-size: 11px; letter-spacing: 0.25em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 28px;
    display: flex; align-items: center; gap: 12px;
}
.blog-hero-eyebrow::before {
    content: '';
    display: inline-block; width: 24px; height: 1px;
    background: rgba(255, 255, 255, 0.25);
}

.blog-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(48px, 6vw, 80px);
    font-weight: 600;
    letter-spacing: -0.03em;
    line-height: 1.06;
    color: #fff;
    max-width: 680px;
    margin-bottom: 24px;
}

.blog-hero-sub {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.5);
    max-width: 520px;
    line-height: 1.7;
    margin-bottom: 52px;
}

/* ===== BLOG STATS BAR ===== */
.blog-stats-bar {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 28px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-wrap: wrap;
}

.blog-stat {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-right: 40px;
    margin-right: 40px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}
.blog-stat:last-child {
    border-right: none;
    margin-right: 0;
    padding-right: 0;
}
.blog-stat-num {
    font-family: var(--font-display);
    font-size: 32px; font-weight: 600;
    letter-spacing: -0.04em;
    color: #fff;
}
.blog-stat-label {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

/* ===== CATEGORY FILTER ===== */
.blog-filter-wrap {
    background: #fff;
    border-bottom: 1px solid var(--border-light);
    position: sticky; top: 80px;
    z-index: 100;
}

.blog-filter {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.blog-filter::-webkit-scrollbar { display: none; }

.filter-pill {
    padding: 16px 20px;
    font-size: 14px; font-weight: 500;
    color: var(--text-tertiary);
    cursor: pointer;
    border: none;
    background: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: color 0.2s, border-color 0.2s;
    font-family: var(--font-body);
}
.filter-pill:hover { color: var(--text-main); }
.filter-pill.active {
    color: var(--text-main);
    border-bottom-color: var(--text-main);
    font-weight: 600;
}

/* ===== FEATURED POST (LATEST) ===== */
.featured-section {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 80px 40px 0;
}

.featured-label {
    font-family: ui-monospace, 'Cascadia Code', monospace;
    font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--text-tertiary);
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 28px;
}
.featured-label::after {
    content: '';
    flex: 1; height: 1px;
    background: var(--border-light);
}

.featured-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    background: #0d0d12;
    border-radius: 32px;
    overflow: hidden;
    min-height: 460px;
    text-decoration: none;
    color: inherit;
    position: relative;
    transition: transform 0.4s var(--ease-smooth);
}
.featured-card:hover { transform: scale(0.995); }

.featured-card-visual {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0f1a2e 0%, #0a1628 100%);
    min-height: 360px;
}
.featured-card-visual::before {
    content: '';
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(66, 133, 244, 0.35) 1px, transparent 1px);
    background-size: 20px 20px;
    mask-image: radial-gradient(ellipse at 60% 40%, black 10%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 60% 40%, black 10%, transparent 70%);
}
.featured-card-visual::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 30% 60%, rgba(16, 185, 129, 0.15), transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(66, 133, 244, 0.2), transparent 50%);
}
.featured-card-badge {
    position: absolute; top: 28px; left: 28px; z-index: 2;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff; padding: 8px 16px; border-radius: 999px;
    font-size: 12px; font-weight: 600; letter-spacing: 0.05em;
    display: flex; align-items: center; gap: 6px;
}
.featured-card-badge::before {
    content: '';
    width: 6px; height: 6px; border-radius: 50%;
    background: #10b981;
    animation: pulse-green 2s infinite;
}
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
    70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}
.featured-card-category-visual {
    position: absolute; bottom: 28px; left: 28px; z-index: 2;
    font-family: ui-monospace, monospace;
    font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
}

.featured-card-content {
    padding: 52px 56px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #111;
    position: relative;
}
.featured-card-content::after {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(circle at 100% 100%, rgba(66, 133, 244, 0.08), transparent 60%);
    pointer-events: none;
}

.featured-meta {
    display: flex; align-items: center; gap: 16px;
    margin-bottom: 24px;
}
.featured-category-tag {
    font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--accent-blue);
    background: rgba(66, 133, 244, 0.12);
    padding: 4px 12px; border-radius: 999px;
}
.featured-date {
    font-size: 13px; color: rgba(255, 255, 255, 0.35);
    font-family: ui-monospace, monospace;
}

.featured-card-content h2 {
    font-family: var(--font-display);
    font-size: clamp(22px, 2.4vw, 32px);
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.2;
    color: #fff;
    margin-bottom: 20px;
    position: relative; z-index: 1;
}

.featured-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin-bottom: 40px;
    position: relative; z-index: 1;
}

.featured-footer {
    display: flex; align-items: center; justify-content: space-between;
    position: relative; z-index: 1;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.featured-read-time {
    font-size: 13px; color: rgba(255, 255, 255, 0.3);
    font-family: ui-monospace, monospace;
}
.btn-featured-read {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: #111;
    padding: 12px 24px; border-radius: 999px;
    font-size: 14px; font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s var(--ease-smooth), box-shadow 0.2s;
}
.btn-featured-read:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}
.btn-featured-read svg { transition: transform 0.2s; }
.btn-featured-read:hover svg { transform: translateX(3px); }

/* ===== POSTS GRID ===== */
.posts-section {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 64px 40px 80px;
}

.posts-grid-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
    flex-wrap: wrap; gap: 12px;
}
.posts-grid-header-label {
    font-family: ui-monospace, 'Cascadia Code', monospace;
    font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--text-tertiary);
    display: flex; align-items: center; gap: 10px;
}
.posts-grid-header-label::before {
    content: '';
    display: inline-block; width: 18px; height: 1px;
    background: var(--border-light);
}
.posts-count-badge {
    font-size: 12px; font-weight: 600;
    color: var(--text-tertiary);
    background: var(--surface-gray);
    padding: 4px 12px; border-radius: 999px;
    border: 1px solid var(--border-light);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Row-1: first two cards full-height, last one taller */
.posts-grid .post-card:nth-child(1) { grid-column: span 2; }

.post-card {
    display: flex;
    flex-direction: column;
    background: var(--surface-gray);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.04);
    text-decoration: none;
    color: inherit;
    transition: transform 0.35s var(--ease-smooth), box-shadow 0.35s;
    position: relative;
}
.post-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
}
.post-card:hover .post-card-arrow { transform: translateX(4px); }

.post-card-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.post-card-meta {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 16px; flex-wrap: wrap;
}

.post-cat-tag {
    font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
    padding: 3px 10px; border-radius: 999px;
    color: #1d4ed8;
    background: #eff6ff;
}
.post-cat-tag.cat-update { color: #047857; background: #ecfdf5; }
.post-cat-tag.cat-tutorial { color: #7c3aed; background: #f5f3ff; }
.post-cat-tag.cat-network { color: #b45309; background: #fffbeb; }
.post-cat-tag.cat-security { color: #be185d; background: #fdf2f8; }
.post-cat-tag.cat-billing { color: #0369a1; background: #f0f9ff; }

.post-date {
    font-size: 12px; color: var(--text-tertiary);
    font-family: ui-monospace, monospace;
    margin-left: auto;
}

.post-card h3 {
    font-family: var(--font-display);
    font-size: 20px; font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--text-main);
    margin-bottom: 12px;
}
.post-card:nth-child(1) h3 { font-size: 24px; }

.post-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-card:nth-child(1) .post-excerpt { -webkit-line-clamp: 4; }

.post-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}
.post-read-time {
    font-size: 12px; color: var(--text-tertiary);
    font-family: ui-monospace, monospace;
    display: flex; align-items: center; gap: 5px;
}
.post-read-time svg { opacity: 0.5; }
.post-card-arrow {
    width: 32px; height: 32px; border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border-light);
    display: flex; align-items: center; justify-content: center;
    transition: transform 0.25s var(--ease-smooth), background 0.2s;
    flex-shrink: 0;
}
.post-card:hover .post-card-arrow { background: var(--text-main); }
.post-card:hover .post-card-arrow svg { stroke: #fff; }
.post-card-arrow svg { width: 14px; height: 14px; stroke: #666; transition: stroke 0.2s; }

/* Row-2: three equal cards */
.posts-grid .post-card:nth-child(2),
.posts-grid .post-card:nth-child(3),
.posts-grid .post-card:nth-child(4) { grid-column: span 1; }

/* ===== SECOND ROW — EDITORIAL STRIP ===== */
.posts-strip {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px 80px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    border-top: 1px solid var(--border-light);
}

.strip-label {
    font-family: ui-monospace, 'Cascadia Code', monospace;
    font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
    color: var(--text-tertiary);
    padding: 28px 0 20px;
    display: flex; align-items: center; gap: 10px;
}
.strip-label::before {
    content: '';
    display: inline-block; width: 18px; height: 1px;
    background: var(--border-light);
}

.strip-item {
    display: grid;
    grid-template-columns: 80px 1fr auto;
    gap: 0 32px;
    align-items: center;
    padding: 24px 0;
    border-bottom: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
    transition: background 0.2s;
    border-radius: 8px;
}
.strip-item:hover { background: var(--surface-gray); }
.strip-item:hover .strip-arrow { transform: translateX(4px); }

.strip-num {
    font-family: var(--font-display);
    font-size: 40px; font-weight: 600;
    letter-spacing: -0.04em;
    color: rgba(0, 0, 0, 0.07);
    text-align: right;
    line-height: 1;
}

.strip-content {}
.strip-meta {
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 6px;
}
.strip-item h3 {
    font-family: var(--font-display);
    font-size: 18px; font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-main);
    margin-bottom: 4px;
    transition: color 0.2s;
}
.strip-item:hover h3 { color: #000; }
.strip-excerpt {
    font-size: 13px; color: var(--text-tertiary); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}

.strip-arrow {
    width: 40px; height: 40px; border-radius: 50%;
    border: 1px solid var(--border-light);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    transition: transform 0.25s var(--ease-smooth), background 0.2s, border-color 0.2s;
}
.strip-item:hover .strip-arrow { background: #111; border-color: #111; }
.strip-item:hover .strip-arrow svg { stroke: #fff; }
.strip-arrow svg { width: 16px; height: 16px; stroke: #999; transition: stroke 0.2s; }

/* ===== EMPTY STATE ===== */
.posts-empty {
    text-align: center;
    padding: 80px 40px;
    color: var(--text-tertiary);
    font-size: 15px;
    grid-column: 1 / -1;
}
.posts-empty strong { display: block; font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }

/* ===== CTA BANNER ===== */
.blog-cta {
    max-width: var(--container-width);
    margin: 0 auto 100px;
    padding: 0 40px;
}
.blog-cta-inner {
    background: linear-gradient(135deg, #0d0d12 0%, #0f1a2e 100%);
    border-radius: 32px;
    padding: 72px 80px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 60px;
    align-items: center;
    position: relative;
    overflow: hidden;
}
.blog-cta-inner::before {
    content: '';
    position: absolute; top: -40%; right: -5%;
    width: 50%; height: 160%;
    background: radial-gradient(ellipse, rgba(66, 133, 244, 0.15) 0%, transparent 65%);
    pointer-events: none;
}
.blog-cta-inner::after {
    content: '';
    position: absolute; bottom: -40%; left: 20%;
    width: 40%; height: 140%;
    background: radial-gradient(ellipse, rgba(16, 185, 129, 0.1) 0%, transparent 65%);
    pointer-events: none;
}
.blog-cta-text { position: relative; z-index: 1; }
.blog-cta-text h2 {
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 600; letter-spacing: -0.02em;
    color: #fff; margin-bottom: 12px;
}
.blog-cta-text p {
    font-size: 16px; color: rgba(255, 255, 255, 0.45);
    max-width: 440px; line-height: 1.7;
}
.blog-cta-actions {
    display: flex; flex-direction: column; gap: 12px;
    align-items: stretch;
    position: relative; z-index: 1; flex-shrink: 0;
}
.btn-cta-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: #fff; color: #111;
    padding: 14px 28px; border-radius: 999px;
    font-size: 15px; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: transform 0.2s var(--ease-smooth), box-shadow 0.2s;
}
.btn-cta-primary:hover { transform: scale(1.04); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.3); }
.btn-cta-secondary {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 28px; border-radius: 999px;
    border: 1.5px solid rgba(255, 255, 255, 0.22);
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px; font-weight: 600;
    text-decoration: none; white-space: nowrap;
    transition: border-color 0.22s, color 0.22s, transform 0.22s var(--ease-smooth);
}
.btn-cta-secondary:hover {
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff;
    transform: scale(1.04);
}
.btn-cta-secondary svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ===== NO-RESULTS STATE ===== */
.no-results {
    grid-column: 1 / -1;
    text-align: center; padding: 64px 40px;
    color: var(--text-tertiary);
}
.no-results strong { display: block; font-size: 17px; color: var(--text-secondary); margin-bottom: 8px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .blog-hero { padding: 140px 32px 0; }
    .featured-section, .posts-section, .posts-strip, .blog-cta { padding-left: 32px; padding-right: 32px; }
    .featured-card { grid-template-columns: 1fr; min-height: auto; }
    .featured-card-visual { min-height: 260px; }
    .featured-card-content { padding: 40px 40px; }
    .posts-grid { grid-template-columns: 1fr 1fr; }
    .posts-grid .post-card:nth-child(1) { grid-column: span 2; }
    .blog-cta-inner { grid-template-columns: 1fr; gap: 40px; padding: 56px 48px; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .blog-hero h1 { font-size: 42px; }
    .blog-hero-sub { font-size: 16px; }
    .blog-stats-bar { gap: 24px; }
    .blog-stat { padding-right: 24px; margin-right: 24px; }
    .blog-stat-num { font-size: 28px; }
    .blog-filter { padding: 0 24px; }
    .featured-card-content { padding: 32px; }
    .featured-card-content h2 { font-size: 22px; }
    .posts-grid { grid-template-columns: 1fr; }
    .posts-grid .post-card:nth-child(1) { grid-column: span 1; }
    .strip-item { grid-template-columns: 48px 1fr auto; gap: 0 16px; }
    .strip-num { font-size: 28px; }
    .blog-cta-inner { padding: 40px 32px; }
}

@media (max-width: 600px) {
    .blog-hero { padding: 120px 20px 0; }
    .featured-section, .posts-section, .posts-strip, .blog-cta { padding-left: 20px; padding-right: 20px; }
    .blog-filter { padding: 0 20px; }
    .header-inner { padding: 0 20px; }
    .featured-card-badge { top: 16px; left: 16px; }
    .footer-inner { grid-template-columns: 1fr; }
    .blog-cta-actions { width: 100%; }
    .strip-item { grid-template-columns: 1fr auto; }
    .strip-num { display: none; }
}